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<title>Dart : Libraries : box2d : ContactID</title>
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<h1 id="title">class <a name='ContactID::ContactID'>ContactID</a></h1>

<section id="inheritance">

<section class="supertype">
<h2>Supertype:</h2>
<ul><li>Object</li></ul>
</section>

</section>

<section id="summary">

 Contact ids to facilitate warm starting. Basically just containers for
 an individual Features object that contains interesting information.
</section>

<section id="fields">
<h2>Fields</h2>
<dl>
<dt>
<span class="field-type"><code><code><a href='Features.html#Features::Features'>Features</a></code></code></span>
<span class="field-name"><code><a name='ContactID::features'>features
</a></code></span>
</dt>
<dd>
</dd>
</dl>
</section>

<section id="constructors">
<h2>Constructors</h2>
<dl>
<dt>
<code><a href='ContactID.html#ContactID::ContactID'>ContactID</a>()</code>
</dt>
<dd>

 Constructs a new ContactID. </dd>
<dt>
<code><a href='ContactID.html#ContactID::ContactID'>ContactID</a>.<a name='ContactID::copy'>copy</a>(<code><a href='ContactID.html#ContactID::ContactID'>ContactID</a></code> <a name='ContactID::copy::other'>other</a>)</code>
</dt>
<dd>

 Constructs a ContactID that is a copy of the given ContactID.
</dd>
</dl>
</section>

<section id="methods">
<h2>Methods</h2>
<dl>
<dt>
<code><code><a href='bool.html#bool::bool'>bool</a></code> <a name='ContactID::6161'>==</a>(&lt;dynamic&gt; <a name='ContactID::6161::other'>other</a>)</code></dt>
<dd>

 Returns true if this ContactID equals the given ContactID.
</dd>
<dt>
<code><code><a href='bool.html#bool::bool'>bool</a></code> <a name='ContactID::isEqual'>isEqual</a>(<code><a href='ContactID.html#ContactID::ContactID'>ContactID</a></code> <a name='ContactID::isEqual::other'>other</a>)</code></dt>
<dd>

 Returns true if this ContactID equals the given ContactID.
</dd>
<dt>
<code>void <a name='ContactID::setFrom'>setFrom</a>(<code><a href='ContactID.html#ContactID::ContactID'>ContactID</a></code> <a name='ContactID::setFrom::other'>other</a>)</code></dt>
<dd>

 Sets this contactID to be equal to the given ContactID.
</dd>
<dt>
<code>void <a name='ContactID::zero'>zero</a>()</code></dt>
<dd>

 Zeroes out the data.
</dd>
</dl>
</section>

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